Center spray portable dishwashing machine



Jan. 5, 1954 G. H. cAMPloN CENTER SPRAY PORTABLE DISHWASHING MACHINE 5Sheets-Sheet l Filed July 7. 1948 7// 7 INVENTOR. ff. Camp/'0U ATTD R NEYB Jan. 5, 1954 G. H. cAMPloN CENTER SPRAY PORTABLE DISHWASHING MACHINE5 Sheets-Sheet4 2 Filed July 7. 1948 ATTD R N EYS Jan. 5, 1954 G. H.cAMPloN 2,664,902

CENTER SPRAY PORTABLE DISHWASHING MACHINE Filed July '7. 1948 5Sheets-Sheet 3 ATTD R N EYE Ian. 5, 1954 G. H. cAMPloN CENTER SPRAYPORTABLE DISHWASHING MACHINE 5 Sheets-Shee'rI 4 Filed July 7. 1948INVENTOR. Gao/"ge H Comp/'on QN l@ NWI ATTD RN EYS Jan. 5, 1954 G. H.cAMPloN 2,664,902

CENTER SPRAY PORTABLE DISHWASHING MACHINE Filed July '7. 1948 5Sheets-Sheet 5 INVENTOR. George H. Camp/ on ATTO R N EYE Patented Jan.5, 1954 CENTER SPRAY PORTABLE DISHWASHING MACH INE

George H. Campion, Abbeville, La.

Application July 7, 1948, Serial No. 37,476

1 Claim.

This invention relates to dishwashing machines wherein hot watercontaining a detergent is thoroughly sprayed over dishes, glasses, andthe like in a casing, and in particular the invention includes acylindrical outer shell or casing having a perforated circular tube inthe lower part for spraying water upward, a perforated intermediatecircular tube for spraying water over dishes in wire baskets in thecasing, -a revolving spider with a perforated vertical stem andperforated horizontally disposed arms suspended in the upper end of thecasing, means for recirculating the fluid, and wire baskets for holdingdishes and the like.

The purpose of this invention is to provide a dish washing machine inwhich water is sprayed upon the dishes from substantially all directionsand in which the same elements may be used for rinsing.

Tn the usual machine for Washing dishes and the like the water sprayingelements extend into the machine and are in the way making it diii-'cult to place dishes in and remove them from spray tube removed fromthe central part and,

with the exception of the tube at the lower end, positioned against thewall, and also in which -a 'comparatively small amount vof water isrecirculated until the dishes are clean.

The object of this invention is, therefore, to

provide an improved dish washing machine in which the spraying elements,particularly in the intermediate portion, are located against the wall.

Another object of the invention is to provide an improved dish washingmachine that may readily be converted to a rinser.

Another object of the invention is to provide an improved dish washingmachine in which the same connection is used for supplying hot water tothe machine and also for carrying away the waste water.

A further object of the invention is to provide an improved dish washingmachine which is of a comparatively simple and economical construction.Y

With these and other objects and advantages in View the inventionconsists of the new land useful combination, construction, andarrangement of vparts as hereinafter more fully described,

set .forth `in .the ,claims .appendedheretd and disclosed in theaccompanying drawings, forming part hereof, wherein:

Figure 1 is a view showing a vertical section through the washer withparts shown in elevation, taken on line I-l of Figure 2.

Figure 2 is a view showing a side elevation of the machine.

Figure 3 is a plan View of the washing machine.

Figure 4 is a cross section through the machine looking upward, taken online 4,-4 of Figure 1.

Figure 5 is a sectional plan through the machine taken on line 5-5 ofFigure l.

Figure 6 is a detail showing a section through the upper perforatedtube, taken on line B-B of Figure 4.

Figure 7 is a similar detail showing a section through the lowerperforated tube, taken on line '1 -1 of Figure 5.

Figure 8 is a detail illustrating the liquid level indicating float withparts broken away.

Figure 9 is a detail showing the oat arm mounting, taken on line 9 9 ofFigure 8.

Figure 10 is a plan view showing the upper plate holding basket.

Figure 11 is a view showing a side elevation of the basket shown inFigure l0.

Figure 12 is a plan view of the lower basket for holding cups, glassesand the like.

Figure 13 is a view showing a side elevation of the basket shown inFigurer 12.

Figure 14 is a view showing a side elevation of a cylindrical basketthat may be used in the washer.

Figure 15 is a plan view of the basket shown in Figure 14.

Figure 16 is a view looking upward toward the under side of the basketshown in Figure 1.4.

Figure 17 is a vertical section through the swivel connection forsupporting the spider in the upper end of the washer, taken on lineIl-I'l of Figure 18.

Figure 18 is a plan view of the connection shown in Figure 17, taken online |8-i8 of Figure 1.

Figure 19 is a view illustrating a modification wherein a three-wayvalve is used in the upper end of the washer.

Referring now to the drawings wherein like reference characters denotecorresponding parts the improved dish washing machine of this inventionincludes a casing I0 having a hinged cover ,Il withl a recircul-atingpump l2, a lower perforated tube I3, an intermediate perforated tube I4,and a rotating spider having perforated arm l5 and a perforated verticaltube i6.

The casing I is mounted on a base I1 with casters I8 on the undersurface, and the pump I2 is driven by a motor I9 through a belt 20 onpulleys 2I and 22. The pump and motor are mounted on the base I1 and themotor is provided with an electric cord 23 having a switch 24 thereinand provided with a plug 25 at the end. The cord 23 is provided with anextension 26 that extends upward to a light 21 in a sealed transparentcap 28 whereby light is provided on the inside of the washer.

'I'he casing I0 is formed with a conical-shaped false bottom 29 having adrain connection 30 in the lower end which is connected to the suc-ytion 3I of the pump I2 by a hose 32, and the discharge connection 33 ofthe pumpis con-v nected by a hose 34 to a verticaltube or conduit 35that is provided with a branch connection 36l to the tube I3, aconnection 31 to the tube I4, and a hose connection 39 to the rotatingspider through a tube 39 on the under surface of the cover I I and aswivel joint which is illustrated in Figures 17 and 18. The verticaltube 35 passes through the false bottom 29 through a sealed washer 4I.

The cover II is connected to the casing by a hinge 42 and the uppersurface thereof is provided with a knobl 43 and a window 44. The upperedge of the base is provided with a bead 45 having a packing ring 46therein that registers with a groove 41 in a corresponding bead-on thelower edge of the cover. The outer surfacey of the casing is providedwith a continuous hand ring or handle 49 that is attachedto-the. casingby supports 49. The casing is also provided with a clean out or repairdoor 50`that provides access to the motor and pump inthe lower partthereof, and the drain connection in the lower end of the false bottomis provided with a strainer I.

'I'he lower perforated `tube I3 is formedas illustrated in Figures 5 and7- with` horizontal perforations 52 in the inner surfaceeandverticalperforations 53 in the uppersurfaceandthis tube is supported from thefalse bottom 29 by posts V54. The inner surface of the tube is alsoprovided with projecting arms 55 forl supporting the lower -wire basket56. The basket 55 is positioned around the cylindrical basket 51 shownin- Figures 14, l5, and 16, and the basket 51 is provided with legs 59that rest upon the false bottom 29 and a centrally disposed stem 59 withan eye 99 at the upper end.

The intermediate perforated tube I4 is formed as illustrated in Figures4 and with horizontally disposed perforations 6I in the inner surfaceand diagonally positioned perforations-'GZ also in the inner surface,and this tube is mounted on the inner wall of the casing by clips 63;The inner surface of the casing is providedV with lugs 54 that arespaced below the tube I4 and positioned to receive hooks 55 on the upperplate holding basket 96, illustrated in Figures l0 and 11.

The arms I5 of the spider extend radially outward from the swivelconnection 49'v and thetube I6 extends vertically downward from thelower side thereof as shown in Figure 17'. The casing ofthe swivel jointis freely" held on a tube` 61 by a threaded bushing' 59 and the' tube 61is attached toA the downwardly extending end of the tube 39 by acoupling 59. The ends of the arms I5A are provided with Vnozzles 15which are turned slightly, as shown in Figure l, and as water is sprayedtherefrom the water striking the air causesV the spider to rotate,turning the 4 tube I6 also which is perforated and provided with anozzle 1I at the lower end.

The vertical tube 35 is provided with a nipple 12 having a control valve13 thereon, and a hose 'I4 extending from the opposite side of the valvemay be connected to a hot water faucet when it is desired to iill thewasher, or rinse the dishes, or it may extend to a drain, sink, ordishpan when it is. desired to remove theA fluid from the washer;

The casing is provided with a bulb 15 on an arm 15 which is pivotallymounted in a bearing 1-'I inthe wall of the casing and a pointer 19is-provided'on the outer end of the arm to indicate the water level inthe casing.

In theldesign shown in Figure 19 a hose connection 19 at the upper endof the vertical tube extends across the upper end of the washer underthecoverv and the connection is provided with a three-way Valve with ahandle 8I and this valve may be. set to admit hot water to enter thewasher. or to be pumped therefrom,- or to be circulatedwithinthe washer,as may be desired. In this design the washer is indicated by the numeral82 and the cover by the numeral 83.

With. the parts arranged in this manner glasses, cups, small bowls, andsmall plates are placed in the lower rack or basket with the glasses andcups inverted over the vertical holders, knives, forks, and spoons areplaced in the center basket 51. and the large plates and otherdishesareplaced'in the upper basket. The hose is thenY connected to thehot water supply or faucet, and water is supplied to the washer untilthe indicator shows full A suitable detergent is then placed in thewasher, the valve turned off, and the motor started. The hot water willthen be sprayed over the dishes for a few minutes, and then the hose isplaced in a dishpan, sink, or drain, and the valve opened. When all ofthe water has been exhausted, the hose is again placed on the' hot watersupply and fresh, clean water is placed in the washer. The motor isstarted again and the clean water is sprayed over the dishes forrinsing. After rinsing for a few minutes the valve is again opened andthe rinseY water pumped out. The cover is then opened andV the dishesmay remain in the washer until dry.v

It will be understood that modifications may be made in the design andarrangement of the parts without departing from the spirit of theinvention.

What is claimed is:

In a dishwashing machine, a b'ase, a casing mounted on said base, acover hingedly connected tothe top of said casing, a pump supported onsaid base, aV motor for operating said pump adapted to be connected to asource of electrical energy, caster Wheels mounted Ibelow said base, aconically-shaped false bottom interposed between said cover and base. ahose connecting the central part of said bottom tothe inlet of saidpump, 'a tube supported by the under surface of said cover, avertically-disposed conduit passing through saidv false bottom andconnecting said tube to the outlet of said pump, a spider includingperforated arms rotatably supported by said cover, a plurality of spacedparallel vertically disposed posts extending upwardly from said falsebottom, a first annular horizontally disposed perforated tubesupported'. by said posts, a branch connection connecting the first tubeto said conduit, arms extendinginwardly from said first tube forengagement with a basket, a second annular perioratedtube arranged abovesaid varranged on the outer ends of said arms and lastnamed tube, a knobconnected to said cover, and a Window arranged in said cover.

GEORGE H. CAMPI'ON.

References Cited in the le of this patent UNITED STATES PATENTS NumberName Date 1,162,966 Zaninovich Dec. 7, 1915 1,344,270 Grozier June 22,1920 Number Number Name Date Hauk Mar. 6, 1923 Barker Apr. 12, 1927Brotz Mar. 20, 1928 Murdoch June 26, 1928 Marbury May 28, 1935 KellyDec. 24, 1935 Schmidt Dec. 29, 1936 Gunn Aug. 8, 1939 Kastberg Apr. 15,1941 Collng Sept. 28, 1943 Beach Oct. 2, 1951 FOREIGN PATENTS CountryDate France Dec. 23, 1939 Sweden Mar. 10, 1942 Great Britain June 3,1947 Great Britain Nov. 14, 1947

